- This electric eraser comes with 16 refill options, including 8 refill packs of 2.3 mm and 8 packs of 5 mm, providing versatility for various tasks and ensuring long-lasting use. The USB charging feature extends battery life for reliable performance. - Engineered for efficient erasing, this rechargeable electric eraser is suitable for students, beginners, and professional artists, making it an essential tool for anyone working with pencil or fine art mediums. - Widely applicable for drawing, sketching, writing, highlighting fine details, correcting sketch errors, and revising classroom notes. It excels at removing unwanted marks, erasing fine points, and achieving unique eraser effects. - With its automatic functionality, this portable electric eraser boosts productivity and creativity in drawing, painting, and sketching, making it a must-have tool for all artistic endeavors. - Ideal use scenarios include: - Artists can easily remove fine details without damaging the paper. - Students can quickly correct errors in notebooks during lectures. - Hobbyists can achieve precise, clean finish on various art projects.